Home / 2,799,655.20-4,194,817.20-2,631,693.60

Finding the Fourth Proportional to 2,799,655.20, 4,194,817.20 and 2,631,693.60

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Solution

The fourth proportional to 2,799,655.20, 4,194,817.20 and 2,631,693.60 is: 3,943,154.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,799,655.20 : 4,194,817.20 = 2,631,693.60 : x
  2. Step 2: Convert to fraction form
    2,799,655.20/4,194,817.20 = 2,631,693.60/x
  3. Step 3: Cross multiply
    2,799,655.20x = 4,194,817.20 × 2,631,693.60
  4. Step 4: Simplify right side
    2,799,655.20x = 11,039,473,578,409.92
  5. Step 5: Solve for x
    x = 11,039,473,578,409.92/2,799,655.20
  6. Step 6: Final answer
    x = 3,943,154.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.